<?php

class InvitacionesController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update','enviar','ver','aceptar'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Invitaciones;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Invitaciones']))
		{
			$model->attributes=$_POST['Invitaciones'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->idinvitacion));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}
	
	public function actionEnviar()
	{
	
		$existe=Invitaciones::model()->find('idusuario=? AND idamigo=?',array(Yii::app()->session['idusuario'],$_GET['idamigo']));
		if($existe==null){
			$model=new Invitaciones;
			$model->idusuario=Yii::app()->session['idusuario'];
			$model->idamigo=$_GET['idamigo'];
			$model->mensaje=Yii::app()->session['nombre']." ".Yii::app()->session['apellido']." te ha enviado una solicitud de amistad";
			// validar que no exista una invitacion con mismo idusuario e idamigo
			$model->save();
		
		}else {
			Yii::app()->user->setFlash('error', '<strong>ERROR!</strong> Ya has enviado una invitacion');
		}
		$this->redirect(array('usuarios/buscar'));
		
		
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		/*if(isset($_POST['Invitaciones']))
		{
			$model->attributes=$_POST['Invitaciones'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->idinvitacion));
		}*/

		/*$this->render('create',array(
			'model'=>$model,
		));*/
	}
	
	
	
	public function actionVer()	
	{
	//REVISAR LA CONSULTA PARA QUE SOLO TRAIGA USUARIOS QUE NO SON AMIGOS
		//select idusuario,nombre,apellido from usuarios where not in (select idamigo from amigos where idusuario=NUMERO)
	
		$count=Yii::app()->db->createCommand('select count(*) from invitaciones WHERE idamigo='.Yii::app()->session['idusuario'])->queryScalar();
	
		$sql='select mensaje,usuarios.idusuario,usuarios.nombre, idinvitacion,idamigo from invitaciones
		JOIN usuarios ON usuarios.idusuario=invitaciones.idusuario
		WHERE idamigo='.Yii::app()->session['idusuario'];
		$dataProvider=new CSqlDataProvider($sql, array(
		'keyField'=>'idinvitacion',
		'totalItemCount'=>$count,
		'sort'=>array(
			'attributes'=>array(
				'idinvitacion', 'idusuario', 'idamigo','nombre', 'mensaje'
			),
		),
		'pagination'=>array(
			'pageSize'=>25,
		),
	));
		$this->render('ver',array('model'=>$dataProvider,));
	}
	
	
	
	public function actionAceptar($idinvitacion)
	{
		$model=Invitaciones::model()->findByPk($idinvitacion);
		
		$idEnvio=$model->idusuario;
		$idAmigo=$model->idamigo;
		
		$model1=new Amigos;
		$model2=new Amigos;
		
		$model1->idusuario=$idAmigo;
		$model1->idamigo=$idEnvio;
		
		$model2->idusuario=$idEnvio;
		$model2->idamigo=$idAmigo;
		
		$invitacionmutua=Invitaciones::model()->find('idusuario=? AND idamigo=?',array($model->idamigo,$model->idusuario));

		if($model1->save() && $model2->save()){
			if($invitacionmutua!=null){
				$invitacionmutua->delete();
			}
			
			
			$model->delete();
			$this->redirect($this->createUrl('invitaciones/ver'));
			}
		$this->redirect($this->createUrl('invitaciones/ver'));
		
	}
	
	

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Invitaciones']))
		{
			$model->attributes=$_POST['Invitaciones'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->idinvitacion));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Invitaciones');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Invitaciones('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Invitaciones']))
			$model->attributes=$_GET['Invitaciones'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return Invitaciones the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=Invitaciones::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param Invitaciones $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='invitaciones-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
